Table 6.

Mean values of clusters from analyses with drunkenness and alcohol problems

Cluster solutions (n)	Drunkenness, age 20 M (SD)	Drunkenness, age 22 M (SD)	Alcohol problems, age 20 M (SD)	Alcohol Problems, age 22 M (SD)
Full sample
Never/Rarely Drunk (223)	0.87 (1.03)	1.08 (1.00)	1.00 (1.68)	1.24 (1.90)
Frequently Drunk (108)	3.28 (1.26)	3.27 (1.35)	7.20 (6.92)	7.53 (6.57)
Whites only
Never/Rarely Drunk (85)	0.97 (0.91)	1.33 (0.94)	0.93 (1.69)	1.04 (1.67)
Frequently Drunk (83)	3.51 (1.08)	3.49 (1.22)	6.70 (6.74)	6.50 (6.31)
Blacks only
Never/Rarely Drunk (100)	0.31 (0.49)	0.60 (0.72)	0.65 (1.35)	0.97 (1.56)
Frequently Drunk (63)	2.26 (1.35)	2.07 (1.35)	4.77 (5.89)	5.80 (6.13)